t/helper/test-reach.c

   1 #include "test-tool.h"
   2 #include "cache.h"
   3 #include "commit.h"
   4 #include "commit-reach.h"
   5 #include "config.h"
   6 #include "parse-options.h"
   7 #include "ref-filter.h"
   8 #include "string-list.h"
   9 #include "tag.h"
  10
  11 static void print_sorted_commit_ids(struct commit_list *list)
  12 {
  13         int i;
  14         struct string_list s = STRING_LIST_INIT_DUP;
  15
  16         while (list) {
  17                 string_list_append(&s, oid_to_hex(&list->item->object.oid));
  18                 list = list->next;
  19         }
  20
  21         string_list_sort(&s);
  22
  23         for (i = 0; i < s.nr; i++)
  24                 printf("%s\n", s.items[i].string);
  25
  26         string_list_clear(&s, 0);
  27 }
  28
  29 int cmd__reach(int ac, const char **av)
  30 {
  31         struct object_id oid_A, oid_B;
  32         struct commit *A, *B;
  33         struct commit_list *X, *Y;
  34         struct object_array X_obj = OBJECT_ARRAY_INIT;
  35         struct commit **X_array;
  36         int X_nr, X_alloc;
  37         struct strbuf buf = STRBUF_INIT;
  38         struct repository *r = the_repository;
  39
  40         setup_git_directory();
  41
  42         if (ac < 2)
  43                 exit(1);
  44
  45         A = B = NULL;
  46         X = Y = NULL;
  47         X_nr = 0;
  48         X_alloc = 16;
  49         ALLOC_ARRAY(X_array, X_alloc);
  50
  51         while (strbuf_getline(&buf, stdin) != EOF) {
  52                 struct object_id oid;
  53                 struct object *orig;
  54                 struct object *peeled;
  55                 struct commit *c;
  56                 if (buf.len < 3)
  57                         continue;
  58
  59                 if (get_oid_committish(buf.buf + 2, &oid))
  60                         die("failed to resolve %s", buf.buf + 2);
  61
  62                 orig = parse_object(r, &oid);
  63                 peeled = deref_tag_noverify(orig);
  64
  65                 if (!peeled)
  66                         die("failed to load commit for input %s resulting in oid %s\n",
  67                             buf.buf, oid_to_hex(&oid));
  68
  69                 c = object_as_type(r, peeled, OBJ_COMMIT, 0);
  70
  71                 if (!c)
  72                         die("failed to load commit for input %s resulting in oid %s\n",
  73                             buf.buf, oid_to_hex(&oid));
  74
  75                 switch (buf.buf[0]) {
  76                         case 'A':
  77                                 oidcpy(&oid_A, &oid);
  78                                 A = c;
  79                                 break;
  80
  81                         case 'B':
  82                                 oidcpy(&oid_B, &oid);
  83                                 B = c;
  84                                 break;
  85
  86                         case 'X':
  87                                 commit_list_insert(c, &X);
  88                                 ALLOC_GROW(X_array, X_nr + 1, X_alloc);
  89                                 X_array[X_nr++] = c;
  90                                 add_object_array(orig, NULL, &X_obj);
  91                                 break;
  92
  93                         case 'Y':
  94                                 commit_list_insert(c, &Y);
  95                                 break;
  96
  97                         default:
  98                                 die("unexpected start of line: %c", buf.buf[0]);
  99                 }
 100         }
 101         strbuf_release(&buf);
 102
 103         if (!strcmp(av[1], "ref_newer"))
 104                 printf("%s(A,B):%d\n", av[1], ref_newer(&oid_A, &oid_B));
 105         else if (!strcmp(av[1], "in_merge_bases"))
 106                 printf("%s(A,B):%d\n", av[1], in_merge_bases(A, B));
 107         else if (!strcmp(av[1], "is_descendant_of"))
 108                 printf("%s(A,X):%d\n", av[1], is_descendant_of(A, X));
 109         else if (!strcmp(av[1], "get_merge_bases_many")) {
 110                 struct commit_list *list = get_merge_bases_many(A, X_nr, X_array);
 111                 printf("%s(A,X):\n", av[1]);
 112                 print_sorted_commit_ids(list);
 113         } else if (!strcmp(av[1], "reduce_heads")) {
 114                 struct commit_list *list = reduce_heads(X);
 115                 printf("%s(X):\n", av[1]);
 116                 print_sorted_commit_ids(list);
 117         } else if (!strcmp(av[1], "can_all_from_reach")) {
 118                 printf("%s(X,Y):%d\n", av[1], can_all_from_reach(X, Y, 1));
 119         } else if (!strcmp(av[1], "can_all_from_reach_with_flag")) {
 120                 struct commit_list *iter = Y;
 121
 122                 while (iter) {
 123                         iter->item->object.flags |= 2;
 124                         iter = iter->next;
 125                 }
 126
 127                 printf("%s(X,_,_,0,0):%d\n", av[1], can_all_from_reach_with_flag(&X_obj, 2, 4, 0, 0));
 128         } else if (!strcmp(av[1], "commit_contains")) {
 129                 struct ref_filter filter;
 130                 struct contains_cache cache;
 131                 init_contains_cache(&cache);
 132
 133                 if (ac > 2 && !strcmp(av[2], "--tag"))
 134                         filter.with_commit_tag_algo = 1;
 135                 else
 136                         filter.with_commit_tag_algo = 0;
 137
 138                 printf("%s(_,A,X,_):%d\n", av[1], commit_contains(&filter, A, X, &cache));
 139         }
 140
 141         exit(0);
 142 }